CN101440578A - Novel waterproof air previous polyurethane artificial leather and preparation thereof - Google Patents
Novel waterproof air previous polyurethane artificial leather and preparation thereof Download PDFInfo
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- CN101440578A CN101440578A CNA2008102339838A CN200810233983A CN101440578A CN 101440578 A CN101440578 A CN 101440578A CN A2008102339838 A CNA2008102339838 A CN A2008102339838A CN 200810233983 A CN200810233983 A CN 200810233983A CN 101440578 A CN101440578 A CN 101440578A
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Abstract
The invention discloses novel waterproof and moisture-permeable polyurethane synthesized leather and a method for manufacturing the same. The novel waterproof and moisture polyurethane synthesized leather consists four layers, namely, base cloth, a thermoplastic wet-process polyurethane wet-process coating coated on the base cloth, a dry-process polyurethane adhesive layer and a top coat, wherein thermoplastic wet-process polyurethane wet-process slurry is coated on the base cloth to form a semi-finished product of wet-process synthetic leather, the wet-process synthetic leather is punched and ground to make holes on the thermoplastic wet-process polyurethane wet-process coating, and the dry-process polyurethane adhesive layer and the top coat are arranged sequentially on the thermoplastic wet-process polyurethane wet-process coating. Both the dry-process polyurethane adhesive layer and the top coat are provided with micropores. The top coat contains pigment. The synthetic leather manufactured has excellent waterproof and moisture-permeable performance like natural leather, high wear resistance, high-hydration, high-frequency hot cutting, low temperature resistance and other functions as well as excellent three-dimension patterns and fullness.
Description
Technical field
The present invention relates to a kind of manufacture method of Synthetic Leather, specifically: the manufacture method that relates to a kind of novel waterproof air previous polyurethane artificial leather.
Background technology
Synthetic Leather (PU synthetic leather), particularly the synthetic leather of high physical property be a kind of with various fabricbases as base material, applying polyurethane resin on base material makes it give the real leather intimating synthetic leather of various decorative patterns, pattern, function and feel, its most physical properties, chemical property can meet or exceed corium fully, but a certain distance is still arranged on the waterproof and breathable performance.This is because the surface of the Synthetic Leather of high physical property has the polyurethane epithelium of one deck densification, makes gas permeability obviously than natural leather difference, can make us producing sultry, cold sense of discomfort such as wet.Though can improve gas permeability in right amount by methods such as punchings, can destroy the bond structure of polyurethane, cause serviceability to descend.
Summary of the invention:
Technical problem to be solved by this invention provides a kind of manufacture method of novel waterproof air previous polyurethane artificial leather, this waterproof air previous polyurethane artificial leather had both had the waterproof and breathable performance, possess high physical property again, can satisfy high-end requirement, be suitable for fields such as vamp, sofa, clothes.
For solving above technical problem, the present invention adopts following technical scheme:
A kind of novel waterproof air previous polyurethane artificial leather, include thermoplasticity wet polyurethane wet method slurry is coated the wet-method synthetic leather semi-finished product that form behind the base cloth, the wet-method synthetic leather semi-finished product are made up of base cloth and thermoplasticity wet polyurethane wet-process coating, it is characterized in that: described wet-method synthetic leather semi-finished product are for handling through acupuncture punching or grinding, and described thermoplasticity wet polyurethane wet-process coating is furnished with perforate; Be the bonding layer of dry method polyurethane, the top coat that contains micropore and pigment more successively on the described thermoplasticity wet polyurethane wet-process coating.
A kind of manufacture method of novel waterproof air previous polyurethane artificial leather is characterized in that: carry out following steps successively:
(1), adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane wet method slurry of having prepared is coated entered coagulating basin behind the base cloth and solidify, wash, dry and make the wet-method synthetic leather semi-finished product;
(2), carry out acupuncture punching or grinding for the wet-method synthetic leather semi-finished product and handle, make the wet-method synthetic leather semi-finished product have airing function;
(3), adopt dry type synthetic leather production equipment, at first on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather semi-finished product after oven dry, the maturation;
(4), dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked oven dry after 5～40 minutes in clear water, or logical hot-air carried out tanning 20～60 minutes in rub barrel, made final finished.
The manufacture method of described novel waterproof air previous polyurethane artificial leather is characterized in that:
(1), the weight proportion of each component of described thermoplasticity wet polyurethane wet method slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resins
N, 60～120 parts of dinethylformamides
0～5 part in solvent borne colorant
5～30 parts of wood powders
0.5～2.5 part of anion surfactant
0.1～2.5 part of non-ionic surface active agent
0～3 part of water-sprinkling oil application agent
(2), the weight proportion of each component of thermoplastic polyurethane dry method top coat slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resins
N, 50～80 parts of dinethylformamides
5～25 parts in dry type colorant
0.1～2 part of levelling agent
Help 0.1～4 part of remover
0.5～3 part of water-soluble functional auxiliary agent
3～8 parts of pore type functional aids
(3), the weight proportion of each component of thermoplastic polyurethane dry method adhesive layer slurry is:
100 parts of TPU(Thermoplastic polyurethanes)
N, 20～50 parts of dinethylformamides
5～18 parts in dry type colorant
0.1～2 part of levelling agent
0.5～3 part of water-soluble functional auxiliary agent
3～8 parts of pore type functional aids.
The manufacture method of described novel waterproof air previous polyurethane artificial leather is characterized in that:
(1), the weight proportion of each component of described thermoplasticity wet polyurethane wet method slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resin SW-2020RH
N, 60～120 parts of dinethylformamide DMF
0～5 part of solvent borne colorant---stock white
5～30 parts of wood powders
0.5～2.5 part of anion surfactant D-700
0.1～2.5 part of non-ionic surface active agent D-101
0～3 part of water-sprinkling oil application agent---PF-1108
(2), the weight proportion of each component of thermoplastic polyurethane dry method top coat slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resin LT-70
N, 50～80 parts of dinethylformamide DMF
5～25 parts of dry type colorant---stock whites
0.1～2 part of levelling agent ACR
Help 0.1～4 part of remover BYK-325
0.5～3 part of water-soluble functional auxiliary agent NaCL
3～8 parts in pore type functional aid---eider down powder
(3), the weight proportion of each component of thermoplastic polyurethane dry method adhesive layer slurry is:
100 parts of TPU(Thermoplastic polyurethanes) SA-20
N, 20～50 parts of dinethylformamide DMF
5～18 parts of dry type colorant---stock whites
0.1～2 part of levelling agent ACR
0.5～3 part of water-soluble functional auxiliary agent---NaCL
3～8 parts in pore type functional aid---eider down powder.
The manufacture method of described novel waterproof air previous polyurethane artificial leather is characterized in that: described base cloth is for the single or double napping machine is weaved cotton cloth, Nonwovens.
The manufacture method of described novel waterproof air previous polyurethane artificial leather is characterized in that: described Polyurethane Thermoplastic Elastomer resin is one or both the mixing in PAUR elastomer resin, EU elastomer resin, the polycarbonate polyurethane elastomer resin; Described solvent-borne type colorant, dry type colorant are one or both and the above mixing in wet method mill base, dry method mill base, toner, the look master slice; Described water-solubility function auxiliary agent is one or more the mixing in sulfate, hydrochloride, water-solubility protein powder, the cyclodextrin; Described pore type functional aid is one or more the mixing in active carbon, feather, the fine hair powder; Described levelling agent, to help remover be one or both the mixing that contains in organosilyl surfactant, the silicone surfactant; Described anion surfactant, non-ionic surface active agent, water-sprinkling oil application agent are a kind of and two or more mixing in the salt surfactant that contains long chain alkane, organic silicon surfactant, the fluorinated surfactant.
Describedly help remover BYK-325 manufacturer to be German Bi Ke chemical company, Polyurethane Thermoplastic Elastomer resin LT-70 manufacturer is Hefei Anli Chemical Industry Co., Ltd.; Anion surfactant D-700, non-ionic surface active agent D-101 manufacturer are Korea S moral city company.
The inventive method is by selecting the Polyurethane Thermoplastic Elastomer resin for use in step (1), (2), and in resin, add functional aid and, make the wet-method synthetic leather semi-finished product possess certain waterproof and breathable performance the half-finished special treatment method of wet-method synthetic leather; The Polyurethane Thermoplastic Elastomer resin of selecting for use in step (3) is a polyethers, the high physical property resin of polyester-type, in polyurethane, add the synthetic leather manufacture method that functional aid such as water-soluble and little porous and a kind of novel waterproof air previous semi-finished product combine, make the synthetic leather of manufacturing have excellent waterproof and breathable function, and it is (wear-resisting to have high physical property, hydrolysis, high frequency is fervent, function such as low temperature resistant), adopt special PROCESS FOR TREATMENT to make synthetic leather have excellent third dimension decorative pattern in step in step (4), plentiful feel, the waterproof and breathable performance of similar natural leather.
Description of drawings:
Fig. 1 is the flow chart of wet coating polyurethane;
Fig. 2 is the flow chart of dry method composite polyurethane;
Fig. 3 is the flow chart of synthetic leather after special treatment.
The specific embodiment:
A kind of novel waterproof air previous polyurethane artificial leather, form by four layers, include base cloth, after thermoplasticity wet polyurethane wet method slurry coated base cloth, form the wet-method synthetic leather semi-finished product, thermoplasticity wet polyurethane wet-process coating is arranged on the base cloth, and the wet-method synthetic leather semi-finished product make thermoplasticity wet polyurethane wet-process coating be furnished with perforate for handling through acupuncture punching or grinding; Be the bonding layer of dry method polyurethane, top coat more successively on the thermoplasticity wet polyurethane wet-process coating.On the bonding layer of dry method polyurethane, the top coat micropore of containing is arranged all, contain pigment in the top coat.
The manufacture method of novel waterproof air previous polyurethane artificial leather comprises:
(a) preparation wet method slurry, prepare the wet-method synthetic leather semi-finished product with wet type synthetic leather production equipment: in solvent, add various surfactants, filler, pigment, stirred 25～50 minutes down in 5～40 ℃, add wet method PU resin then, after stirring 30～60 minutes under the vacuum, the slurry that will prepare with wet type synthetic leather production equipment is coated and is entered coagulating basin behind the base cloth and solidify, wash, dry and make the wet-method synthetic leather semi-finished product;
The weight proportion of each component of wet method slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resins (SW-2020RH)
N, 60～120 parts of dinethylformamides (DMF)
0～5 part in solvent borne colorant (as: stock white)
5～30 parts of wood powders
0.5～2.5 part of anion surfactant (D-700)
0.1～2.5 part of non-ionic surface active agent (D-101)
0～3 part of water-sprinkling oil application agent (as: PF-1108)
(b) new semi-finished product are made in the surface treatments such as punching of enterprising hand-manipulating of needle thorn or grinding on (a) half-finished basis;
(c) with dry type synthetic leather equipment complex, on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather product after oven dry, the maturation;
The prescription of dry method slurry is by weight:
Top coat:
100 parts of Polyurethane Thermoplastic Elastomer resins (LT-70)
N, 50～80 parts of dinethylformamides (DMF)
5～25 parts in dry type colorant (as: stock white)
0.1～2 part of levelling agent (ACR)
Help 0.1～4 part of remover (BYK-325)
0.5～3 part of water-soluble functional auxiliary agent (as: NaCL)
3～8 parts of pore type functional aids (as: eider down powder)
Adhesive layer:
100 parts of TPU(Thermoplastic polyurethanes) (SA-20)
N, 20～50 parts of dinethylformamides (DMF)
5～18 parts in dry type colorant (as: stock white)
0.1～2 part of levelling agent (ACR)
0.5～3 part of water-soluble functional auxiliary agent (as: NaCL)
3～8 parts of pore type functional aids (as: eider down powder)
(d) dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked oven dry after 5～40 minutes in clear water,
Or in rub barrel, carried out kneading 20～60 minutes with hot-air, make final finished.
The wet processing flow process of this waterproof air previous polyurethane artificial leather is: woven cloth base cloth or Nonwovens base cloth → impregnation (containing 0～45%DMF aqueous solution) → adjusting base cloth moisture percentage → wet coating → solidify → wash → drying and shaping.
The dry process flow process of this waterproof air previous polyurethane artificial leather is: the thermoplastic polyurethane dry method top coat slurry that is coated with one deck suitable thickness on release liners, advancing baking oven suitably dries, be coated with the thermoplastic polyurethane dry method adhesive layer slurry of one deck suitable thickness again, advancing baking oven suitably dries, stick treated waterproof and breathable wet-method synthetic leather semi-finished product, enter peel off after oven for drying, the maturation get final product dry method waterproof air previous polyurethane artificial leather semi-finished product.
Embodiment 1:
(1) wet method slurry preparation (weight ratio):
100 parts of Polyurethane Thermoplastic Elastomer resins (SW-2020RH)
N, 70 parts of dinethylformamides (DMF)
0.5 part in solvent borne colorant (as: stock white)
15 parts of wood powders
1 part of anion surfactant (D-700)
0.5 part of non-ionic surface active agent (D-101)
2 parts of water-sprinkling oil application agent (PF-1108)
Adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane slurry of having prepared is coated entered coagulating basin behind the woven cloth of use for synthetic leather and solidify, washing, oven dry make the wet-method synthetic leather semi-finished product.
(2) preparation waterproof and breathable wet-method synthetic leather semi-finished product: adopt the post processing decorticating mill, will grind skin by the wet-method synthetic leather semi-finished product that (1) prepares and handle, make waterproof and breathable wet-method synthetic leather semi-finished product.
(3) dry method slurry preparation (weight ratio):
Top coat
100 parts of Polyurethane Thermoplastic Elastomer resins (LT-70)
N, 55 parts of dinethylformamides (DMF)
15 parts in colorant (stock white)
1 part of levelling agent (ACR)
Help 0.5 part of remover (BYK-325)
4 parts of water-soluble functional auxiliary agents (NaCL)
3 parts of pore type functional aids (eider down powder)
Adhesive layer:
100 parts of thermoplastic polyurethane adhesive layer resins (SA-20)
N, 40 parts of dinethylformamides (DMF)
10 parts in colorant (stock white)
1 part of levelling agent (ACR)
2 parts of water-soluble functional auxiliary agents (NaCL)
5 parts of pore type functional aids (eider down powder)
Adopt dry type synthetic leather equipment complex, on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry,
After the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, after the oven dry, stick treated wet method and close again
The finished leather semi-finished product get dry method waterproof air previous polyurethane artificial leather product after oven dry, the maturation.
(4) dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked in clear water after 5～40 minutes after oven dry batches
Get final product waterproof air previous polyurethane artificial leather.
Embodiment 2:
(1) wet method slurry preparation (weight ratio):
100 parts of thermoplastic polyester type polyurethane resins (SW-2020RH)
N, 60 parts of dinethylformamides (DMF)
0.5 part of solvent borne mill base (black slurry)
5 parts of wood powders
2 parts of anion surfactants (D-700)
1 part of non-ionic surface active agent (D-101)
1 part of water-sprinkling oil application agent (PF-1108)
Adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane slurry of having prepared is coated entered coagulating basin behind the use for synthetic leather Nonwovens base cloth and solidify, washing, oven dry make the wet-method synthetic leather semi-finished product.
(2) preparation waterproof and breathable wet-method synthetic leather semi-finished product: adopt the post processing decorticating mill, will grind skin by the wet-method synthetic leather semi-finished product that (1) prepares and handle, make waterproof and breathable wet-method synthetic leather semi-finished product.
(3) dry method slurry preparation (weight ratio):
Top coat
100 parts of Polyurethane Thermoplastic Elastomer resins (LT-70)
N, 55 parts of dinethylformamides (DMF)
15 parts in colorant (black slurry)
1 part of levelling agent (ACR)
Help 0.5 part of remover (BYK-325)
4 parts of water-soluble functional auxiliary agents (albumen powder)
3 parts of pore type functional aids (eider down powder)
Adhesive layer:
100 parts of thermoplastic polyurethane adhesive layer resins (SA-20)
N, 40 parts of dinethylformamides (DMF)
10 parts in colorant (black slurry)
1 part of levelling agent (ACR)
2 parts of water-soluble functional auxiliary agents (albumen powder)
5 parts of pore type functional aids (eider down powder)
Adopt dry type synthetic leather equipment complex, on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather product after oven dry, the maturation.
(4) dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked in clear water after 5 minutes in rub barrel logical hot-air carry out getting final product after tanning was batched after 20～60 minutes waterproof air previous polyurethane artificial leather.
Embodiment 3:
(1) wet method slurry preparation (weight ratio):
100 parts of Polyurethane Thermoplastic Elastomer resins (SW-2020RH)
N, 70 parts of dinethylformamides (DMF)
0.5 part in solvent borne colorant (as: stock white)
15 parts of wood powders
1 part of anion surfactant (D-700)
0.5 part of non-ionic surface active agent (D-101)
2 parts of water-sprinkling oil application agent (PF-1108)
Adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane slurry of having prepared is coated entered coagulating basin behind the woven cloth of use for synthetic leather and solidify, washing, oven dry make the wet-method synthetic leather semi-finished product.
(2) preparation waterproof and breathable wet-method synthetic leather semi-finished product: adopt the post processing punch device, will carry out the acupuncture punching by the wet-method synthetic leather semi-finished product that (1) prepares and handle, make waterproof and breathable wet-method synthetic leather semi-finished product.
(3) dry method slurry preparation (weight ratio):
Top coat
100 parts of Polyurethane Thermoplastic Elastomer resins (LT-70)
N, 55 parts of dinethylformamides (DMF)
15 parts in colorant (stock white)
1 part of levelling agent (ACR)
Help 0.5 part of remover (BYK-325)
4 parts of water-soluble functional auxiliary agents (NaCL)
3 parts of pore type functional aids (eider down powder)
Adhesive layer:
100 parts of thermoplastic polyurethane adhesive layer resins (SA-20)
N, 40 parts of dinethylformamides (DMF)
10 parts in colorant (stock white)
1 part of levelling agent (ACR)
2 parts of water-soluble functional auxiliary agents (NaCL)
5 parts of pore type functional aids (eider down powder)
Adopt dry type synthetic leather equipment complex, on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather product after oven dry, the maturation.
(4) dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked in clear water after 5 minutes in rub barrel logical hot-air carry out getting final product after tanning was batched after 20～60 minutes waterproof air previous polyurethane artificial leather.
Embodiment 4
(1) wet method slurry preparation (weight ratio):
100 parts of thermoplastic polyester type polyurethane resins (SW-2020RH)
N, 60 parts of dinethylformamides (DMF)
0.5 part of solvent borne mill base (black slurry)
5 parts of wood powders
2 parts of anion surfactants (D-700)
1 part of non-ionic surface active agent (D-101)
1 part of water-sprinkling oil application agent (PF-1108)
Adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane slurry of having prepared is coated entered coagulating basin behind the use for synthetic leather Nonwovens base cloth and solidify, washing, oven dry make the wet-method synthetic leather semi-finished product.
(2) preparation waterproof and breathable wet-method synthetic leather semi-finished product: adopt the post processing punch device, will carry out the acupuncture punching by the wet-method synthetic leather semi-finished product that (1) prepares and handle, make waterproof and breathable wet-method synthetic leather semi-finished product.
(3) dry method slurry preparation (weight ratio):
100 parts of Polyurethane Thermoplastic Elastomer resins (LT-70)
N, 55 parts of dinethylformamides (DMF)
15 parts in colorant (black slurry)
1 part of levelling agent (ACR)
Help 0.5 part of remover (BYK-325)
4 parts of water-soluble functional auxiliary agents (albumen powder)
3 parts of pore type functional aids (eider down powder)
Adhesive layer:
100 parts of thermoplastic polyurethane adhesive layer resins (SA-20)
N, 40 parts of dinethylformamides (DMF)
10 parts in colorant (black slurry)
1 part of levelling agent (ACR)
2 parts of water-soluble functional auxiliary agents (albumen powder)
5 parts of pore type functional aids (eider down powder)
Adopt dry type synthetic leather equipment complex, on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather product after oven dry, the maturation.
(4) dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked in clear water after 5～40 minutes get final product after oven dry is batched waterproof air previous polyurethane artificial leather.
After testing, good with the waterproof air previous polyurethane artificial leather feel that the prescription of above-mentioned enforcement is made, waterproof and breathable performance excellence possesses anti-hydrolytic performance simultaneously, resistance to low temperature, the fervent performance of high frequency, good third dimension decorative pattern, good abrasion resistance.Its performance and function can make up to satisfy the requirement of various different purposes arbitrarily according to different requirements.
The technical indicator of waterproof air previous polyurethane artificial leather reaches:
Claims (7)
1, a kind of novel waterproof air previous polyurethane artificial leather, include thermoplasticity wet polyurethane wet method slurry is coated the wet-method synthetic leather semi-finished product that form behind the base cloth, the wet-method synthetic leather semi-finished product are made up of base cloth and thermoplasticity wet polyurethane wet-process coating, it is characterized in that: described wet-method synthetic leather semi-finished product are for handling through acupuncture punching or grinding, and described thermoplasticity wet polyurethane wet-process coating is furnished with perforate; Be the bonding layer of dry method polyurethane, the top coat that contains micropore and pigment more successively on the described thermoplasticity wet polyurethane wet-process coating.
2, a kind of manufacture method of novel waterproof air previous polyurethane artificial leather is characterized in that: carry out following steps successively:
(1), adopt wet type synthetic leather production equipment, the thermoplasticity wet polyurethane wet method slurry of having prepared is coated entered coagulating basin behind the base cloth and solidify, wash, dry and make the wet-method synthetic leather semi-finished product;
(2), carry out acupuncture punching or grinding for the wet-method synthetic leather semi-finished product and handle, make the wet-method synthetic leather semi-finished product have airing function;
(3), adopt dry type synthetic leather production equipment, at first on release liners, be coated with one deck thermoplastic polyurethane dry method top coat slurry, after the oven dry, be coated with one deck thermoplastic polyurethane dry method adhesive layer slurry again, again after the oven dry, stick treated wet-method synthetic leather semi-finished product, get dry method waterproof air previous polyurethane artificial leather semi-finished product after oven dry, the maturation;
(4), dry method waterproof air previous polyurethane artificial leather semi-finished product are soaked oven dry after 5～40 minutes in clear water, or logical hot-air carried out tanning 20～60 minutes in rub barrel, made final finished.
3, the manufacture method of novel waterproof air previous polyurethane artificial leather according to claim 1 is characterized in that:
(1), the weight proportion of each component of described thermoplasticity wet polyurethane wet method slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resins
N, 60～120 parts of dinethylformamides
0～5 part in solvent borne colorant
5～30 parts of wood powders
0.5～2.5 part of anion surfactant
0.1～2.5 part of non-ionic surface active agent
0～3 part of water-sprinkling oil application agent
(2), the weight proportion of each component of thermoplastic polyurethane dry method top coat slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resins
N, 50～80 parts of dinethylformamides
5～25 parts in dry type colorant
0.1～2 part of levelling agent
Help 0.1～4 part of remover
0.5～3 part of water-soluble functional auxiliary agent
3～8 parts of pore type functional aids
(3), the weight proportion of each component of thermoplastic polyurethane dry method adhesive layer slurry is:
100 parts of TPU(Thermoplastic polyurethanes)
N, 20～50 parts of dinethylformamides
5～18 parts in dry type colorant
0.1～2 part of levelling agent
0.5～3 part of water-soluble functional auxiliary agent
3～8 parts of pore type functional aids.
4, the manufacture method of novel waterproof air previous polyurethane artificial leather according to claim 1 is characterized in that:
(1), the weight proportion of each component of described thermoplasticity wet polyurethane wet method slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resin SW-2020RH
N, 60～120 parts of dinethylformamide DMF
0～5 part of solvent borne colorant---stock white
5～30 parts of wood powders
0.5～2.5 part of anion surfactant D-700
0.1～2.5 part of non-ionic surface active agent D-101
0～3 part of water-sprinkling oil application agent---PF-1108
(2), the weight proportion of each component of thermoplastic polyurethane dry method top coat slurry is:
100 parts of Polyurethane Thermoplastic Elastomer resin LT-70
N, 50～80 parts of dinethylformamide DMF
5～25 parts of dry type colorant---stock whites
0.1～2 part of levelling agent ACR
Help 0.1～4 part of remover BYK-325
0.5～3 part of water-soluble functional auxiliary agent NaCL
3～8 parts in pore type functional aid---eider down powder
(3), the weight proportion of each component of thermoplastic polyurethane dry method adhesive layer slurry is:
100 parts of TPU(Thermoplastic polyurethanes) SA-20
N, 20～50 parts of dinethylformamide DMF
5～18 parts of dry type colorant---stock whites
0.1～2 part of levelling agent ACR
0.5～3 part of water-soluble functional auxiliary agent---NaCL
3～8 parts in pore type functional aid---eider down powder.
5, the manufacture method of novel waterproof air previous polyurethane artificial leather according to claim 1 is characterized in that: described base cloth is for the single or double napping machine is weaved cotton cloth, Nonwovens.
6, the manufacture method of novel waterproof air previous polyurethane artificial leather according to claim 3 is characterized in that: described Polyurethane Thermoplastic Elastomer resin is one or both the mixing in PAUR elastomer resin, EU elastomer resin, the polycarbonate polyurethane elastomer resin; Described solvent-borne type colorant, dry type colorant are one or both and the above mixing in wet method mill base, dry method mill base, toner, the look master slice; Described water-solubility function auxiliary agent is one or more the mixing in sulfate, hydrochloride, water-solubility protein powder, the cyclodextrin; Described pore type functional aid is one or more the mixing in active carbon, feather, the fine hair powder; Described levelling agent, to help remover be one or both the mixing that contains in organosilyl surfactant, the silicone surfactant; Described anion surfactant, non-ionic surface active agent, water-sprinkling oil application agent are a kind of and two or more mixing in the salt surfactant that contains long chain alkane, organic silicon surfactant, the fluorinated surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102339838A CN101440578B (en) | 2008-12-19 | 2008-12-19 | Novel waterproof air previous polyurethane artificial leather and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102339838A CN101440578B (en) | 2008-12-19 | 2008-12-19 | Novel waterproof air previous polyurethane artificial leather and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440578A true CN101440578A (en) | 2009-05-27 |
| CN101440578B CN101440578B (en) | 2010-08-18 |
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| CN2008102339838A Active CN101440578B (en) | 2008-12-19 | 2008-12-19 | Novel waterproof air previous polyurethane artificial leather and preparation thereof |
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